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Abstract：
Three novel organic-molybdenum. phosphates with [(PO4)(2)Mo5O15], namelty (NH3CH2CH2NH3)(2.5) [(PO4) (HPO4) Mo5O15] . 7.5H(2)O (I), (H3NCH2CH2NH3)(3) . [(PO4)(2)Mo5O15] . 3H(2)O (II) and (H3NCH2CH2NH3)(2) [Cu (en)] [(PO4)(2)Mo5O15].5H(2)O (III),were synthesized. The relationship between their properties and structures were studied by using FTIR, NIR-Raman, UV-Vis DRS and fluorescence spectra. Among these compounds, compound I and II possess isolating [(PO4)(2)Mo5O15]cage, while compound III is rather novel whose [(PO4)(2)Mo5O15]cages are bridging into chains by [Cuen] groups. The characteristic vibrational frequencies of molybdenum phosphates are related to the structures of these compounds. In the UV-Vis DRS spectra, there are two characteristic peaks of heteropoly compounds at 200 and 260 nm. The fluorescence spectra of these three compounds have been studied, which have emission peaks at about 400 nm excited by 240 nm, which are caused by O-mu-Mo, while compound III produces 604 nm emission excited by 570 nm, which is caused by the LMCT of [Cuen] group.
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SPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN： 1000-0593
CN： 11-2200/O4
Year： 2003
Issue： 3
Volume： 23
Page： 465-469
0 . 2 9 8
JCR@2003
0 . 7 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：4
Cited Count：
WoS CC Cited Count： 7
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 0
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